PIC16LC65BT-04I/PQ - 8-Bit 7KB MCU 44-MQFP | Microchip
Référence : PIC16LC65BT-04I/PQ ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $8.5 | $8,50 |
| 10 | $7.65 | $76,50 |
| 100 | $6.8 | $680,00 |
| 500 | $6.1 | $3 050,00 |
| 1 000 | $5.45 | $5 450,00 |
PIC16LC65BT-04I/PQ Présentation
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and peripheral interfaces. Within the broader semiconductor hierarchy, MCUs sit under microcontrollers -> embedded processors -> computing ICs -> integrated circuits. PIC16-series MCUs use Microchip's enhanced mid-range RISC architecture, providing deterministic instruction execution ideal for real-time control loops where predictable timing matters more than raw clock speed.
Key features include a hardware USART with addressable SPI and I2C (MSSP-style) serial peripherals, a 5-channel 8-bit ADC, programmable code protection, and an industrial temperature rating of -40 °C to +85 °C. The OTP program memory is factory- or device-programmable for volume production, while the 192-byte SRAM supports modest data-table and stack operations typical of mid-range 8-bit control firmware.
Typical applications include industrial automation controllers, consumer-electronics user-interface boards, automotive body and HVAC sub-systems, appliance motor control, and low-bandwidth sensor-hub nodes. The wide 2.5 V–5.5 V input range makes the part tolerant of unregulated battery or USB-derived rails.
When designing with this device, allocate the 33 I/O pins carefully against the analog and digital requirements, and respect the 4 MHz oscillator ceiling at 5 V. For code-protection requirements, evaluate Windowed (CERDIP) or QFP variants against your programming strategy. This page synthesizes distributor availability, drop-in alternatives, and practical design notes not collected on the manufacturer datasheet.
Alternatives de remplacement direct pour PIC16LC65BT-04I/PQ — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec PIC16LC65BT-04I/PQ (même facteur de forme et même empreinte) — différant par Core Architecture, Program Memory Type, Package, Timers, ADC.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC16LC65B-04I/PQ
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC16LC65B-04/PQ
✅ Remplacement direct✓ En stock
$2.5 / unité
Voir la fiche technique →PIC16LC65A-04I/PQ
✅ Remplacement direct✓ En stock
$5.3 / unité
Voir la fiche technique →PIC16LC65A-04I/P
✅ Remplacement direct✓ En stock
$4.65 / unité
Voir la fiche technique →PIC16LC65A-04/PQ
✅ Remplacement direct✓ En stock
$6.5 / unité
Voir la fiche technique →PIC16LC65AT-04I/PT
✅ Remplacement direct✓ En stock
$7.8 / unité
Voir la fiche technique →PIC16LC65BT-04I/PQ Valeurs maximales et caractéristiques électriques
| Product Type | 8-Bit Microcontroller (MCU) |
| Series | PIC16CXX mid-range (PIC16C63A/65B/73B/74B family) |
| Program Memory Type | OTP (One-Time-Programmable) |
| Program Memory Size | 7 KB (4K x 14) |
| RAM Size | 192 bytes |
| CPU Speed | 4 MHz |
| Supply Voltage Range | 2.5 V to 5.5 V |
| I/O Pins | 33 |
| ADC | 8-bit, multi-channel (integrated) |
| Timers | Timer0 (8-bit), Timer1 (16-bit, sleep-increment), Timer2 (8-bit) |
| Communication Interfaces | USART, SPI, I2C |
| Boîtier | 44-MQFP (10x10 mm) |
| Type de montage | Surface Mount |
| Température de fonctionnement | -40 °C to +85 °C (Industrial) |
| Lifecycle Stage | ACTIVE |
Configuration des broches de PIC16LC65BT-04I/PQ
| Broche 1 | MCLR/VPP — Master Clear (Reset) input / Programming voltage |
| Broche 2 | RA0/AN0 — PORTA bit 0 / Analog input 0 |
| Broche 3 | RA1/AN1 — PORTA bit 1 / Analog input 1 |
| Broche 4 | RA2/AN2 — PORTA bit 2 / Analog input 2 |
| Broche 5 | RA3/AN3/VREF — PORTA bit 3 / Analog input 3 / ADC reference |
| Broche 6 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| Broche 7 | RA5/AN4/SS — PORTA bit 5 / Analog input 4 / SPI slave select |
| Broche 8 | OSC1/CLKIN — Oscillator input / External clock |
| Broche 9 | OSC2/CLKOUT — Oscillator output / Clock out |
| Broche 10 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator out / clock in |
| Broche 11 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator in / CCP2 |
| Broche 12 | RC2/CCP1 — PORTC bit 2 / Capture-Compare-PWM1 |
| Broche 13 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| Broche 14 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| Broche 15 | RC5/SDO — PORTC bit 5 / SPI data out |
| Broche 16 | RC6/TX/CK — PORTC bit 6 / USART TX / clock |
| Broche 17 | RC7/RX/DT — PORTC bit 7 / USART RX / data |
| Broche 18 | VSS — Ground reference |
| Broche 19 | VDD — Positive supply (2.5 V - 5.5 V) |
| Broche 20 | VSS — Ground reference |
| Broche 21 | VDD — Positive supply (2.5 V - 5.5 V) |
| Broche 22 | RB0/INT — PORTB bit 0 / External interrupt |
| Broche 23 | RB1 — PORTB bit 1 |
| Broche 24 | RB2 — PORTB bit 2 |
| Broche 25 | RB3 — PORTB bit 3 |
| Broche 26 | RB4 — PORTB bit 4 |
| Broche 27 | RB5 — PORTB bit 5 |
| Broche 28 | RB6/PGC — PORTB bit 6 / ICSP clock |
| Broche 29 | RB7/PGD — PORTB bit 7 / ICSP data |
| Broche 30 | VSS — Ground reference |
| Broche 31 | VDD — Positive supply (2.5 V - 5.5 V) |
| Broche 32 | RD0 — PORTD bit 0 |
| Broche 33 | RD1 — PORTD bit 1 |
| Broche 34 | RD2 — PORTD bit 2 |
| Broche 35 | RD3 — PORTD bit 3 |
| Broche 36 | RD4 — PORTD bit 4 |
| Broche 37 | RD5 — PORTD bit 5 |
| Broche 38 | RD6 — PORTD bit 6 |
| Broche 39 | RD7 — PORTD bit 7 |
| Broche 40 | VSS — Ground reference |
| Broche 41 | VDD — Positive supply (2.5 V - 5.5 V) |
| Broche 42 | RE0/RD — PORTE bit 0 / Parallel slave port read |
| Broche 43 | RE1/WR — PORTE bit 1 / Parallel slave port write |
| Broche 44 | RE2/CS — PORTE bit 2 / Parallel slave port chip select |
Applications typiques
PIC16LC65BT-04I/PQ convient pour 6 applications: Industrial Automation Controllers, Consumer Electronics User Interface Boards, Automotive Body and HVAC Sub-Systems, Appliance Motor Control (BLDC/PWM), Low-Bandwidth Sensor Hub Nodes, Battery-Powered Measurement Instruments.
Industrial Automation Controllers
The PIC16LC65BT-04I/PQ fits industrial automation controllers because of its 33 I/O pins, 4 MHz CPU, and -40 °C to +85 °C industrial temperature rating. The wide 2.5 V–5.5 V supply tolerates unregulated 24 V->5 V rails common on factory PLC backplanes, while the integrated 8-bit ADC handles analog sensor inputs (temperature, pressure, flow) directly without an external converter. Compared with flash PICs, the OTP variant is favored when firmware is locked at MP launch and production volumes exceed 10K units, since OTP die cost is 30–50% lower. The PIC's deterministic RISC pipeline delivers consistent interrupt latency required by real-time PID loops driving conveyor motors, valve actuators, and relay sequencing.
Recommandé
Consumer Electronics User Interface Boards
The PIC16LC65BT-04I/PQ is well matched to consumer-electronics user-interface boards, including washing-machine control panels, microwave keypads, and HVAC thermostats. Its 33 I/Os can drive 7-segment displays, multiplexed key matrices, and rotary encoders simultaneously without external I/O expanders. The 192-byte RAM is ample for menu state machines, while the 7 KB OTP holds firmware for icons, beep patterns, and sensor-conditioning logic. Unlike flash MCUs, the OTP device prevents end-user firmware tampering and reduces BOM cost in high-volume SKUs, which is critical when consumer price-points drive design economics.
Recommandé
Automotive Body and HVAC Sub-Systems
The PIC16LC65BT-04I/PQ supports automotive body and HVAC sub-systems such as seat controllers, mirror adjusters, and climate-control modules, where its -40 °C to +85 °C industrial window covers most cabin-temperature use cases. The integrated SPI and I2C peripherals talk to dashboard sensors and actuator drivers, while the hardware USART enables LIN-bus-like slave communication via a LIN transceiver. Its 4 MHz core easily handles debounced switch scanning, PWM-driven blower motors, and lookup-table-based temperature compensation. The 44-MQFP package provides a robust surface-mount footprint suited to vibration-prone automotive PCB environments.
Recommandé
Appliance Motor Control (BLDC/PWM)
The PIC16LC65BT-04I/PQ can drive appliance motor-control sub-circuits including PWM controllers for fans, pumps, and small universal motors in washing machines and dishwashers. Its Timer2 module generates accurate PWM with a programmable period, while the 8-bit ADC samples motor current and back-EMF for closed-loop speed control. The 33 I/Os are sufficient for H-bridge gate drivers, tachometer inputs, and safety interlocks. The 2.5–5.5 V supply allows direct connection to rectified mains-derived rails through low-cost regulators, simplifying the analog supply chain in cost-sensitive appliances.
Recommandé
Low-Bandwidth Sensor Hub Nodes
The PIC16LC65BT-04I/PQ suits low-bandwidth sensor-hub nodes that aggregate temperature, humidity, and contact-closure data in building-automation and asset-tracking deployments. Its hardware I2C and SPI ports allow direct attachment of digital temperature sensors (e.g., MCP9808), accelerometers, and EEPROM, while the USART links to RS-485 transceivers for multi-drop fieldbus wiring. The 7 KB OTP holds Modbus RTU frame builders, sensor-calibration tables, and CRC routines. The 192-byte RAM and deterministic mid-range pipeline let the device poll up to a dozen sensors at sub-second intervals without missing scheduled control cycles.
Recommandé
Battery-Powered Measurement Instruments
The PIC16LC65BT-04I/PQ can anchor battery-powered measurement instruments such as handheld multimeters, IR thermometers, and portable gas detectors, thanks to its low 2.5 V minimum supply that allows 2xAA or 2xAAA alkaline cells to power the system directly. The integrated 8-bit ADC with 5+ channels reads sensor bridges, while Timer1's sleep-increment capability enables low-power RTC-style timing without an external RTC chip. The 33 I/Os drive LCD segments, button matrices, and buzzer drivers. OTP memory protects proprietary calibration constants from being read back electrically, an important consideration for calibration-locked test instruments.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC16LC65BT-04I/PQ — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC16LC65B-04I/PQ | PIC16LC65A-04I/PQ | PIC16LC65AT-04I/PT |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-MQFP (10x10) | 44-MQFP (10x10) - same | 44-MQFP (10x10) - same | 44-MQFP (10x10) - same |
| Program Memory | 7 KB (4K x 14) OTP | 7 KB (4K x 14) OTP | 7 KB (4K x 14) OTP | 7 KB (4K x 14) OTP |
| RAM Size | 192 bytes | 192 bytes | 192 bytes | 192 bytes |
| I/O Pins | 33 | 33 | 33 | 33 |
| CPU Speed | 4 MHz | 4 MHz | 4 MHz | 4 MHz |
| Supply Voltage | 2.5 V - 5.5 V | 2.5 V - 5.5 V | 2.5 V - 5.5 V | 2.5 V - 5.5 V |
| Operating Temperature | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C |
Principaux différenciateurs
- Industrial-temperature OTP MCU with 33 I/Os in 44-MQFP (vs PIC16LC65B-04/PQ)
- Tape-and-reel packaging revision for SMT production (vs PIC16LC65B-04I/PQ)
- Latest silicon revision vs older A-revision (vs PIC16LC65A-04I/PQ)
Notes de conception
OTP program memory cannot be erased electrically - once a PIC16LC65BT-04I/PQ is programmed, the firmware is permanent. For prototype and pre-production builds, use a Windowed (CERDIP) variant (PIC16LC65BT-04I/JW) or a flash-based PIC from the same pinout family to allow code iteration. Only commit to OTP volume orders after firmware is fully validated, since a single OTP die with a firmware bug results in scrap, not rework.
Place a 100 nF decoupling capacitor as close as possible to each VDD/VSS pair of the PIC16LC65BT-04I/PQ (the 44-MQFP exposes 4 VDD and 4 VSS pins). Add a bulk 10 µF tantalum or ceramic near the package to suppress board-level noise during ADC conversions. Keep the MCLR/VPP trace short and route it away from the OSC1/OSC2 crystal traces to avoid false resets during high-current switching events on adjacent I/Os.
The PIC16LC65BT-04I/PQ draws significantly more current at 5 V than at 3.3 V when peripherals are active. For battery-powered designs, run the core at 3.3 V and gate peripheral power through a P-MOSFET controlled by an unused I/O pin. The brown-out reset (BOR) is enabled by configuration fuse - leave it enabled in industrial designs to ensure deterministic restart on supply droop below ~4 V at 5 V operation.
Informations de conformité
RoHS and REACH compliant per Microchip product page. AEC-Q100 not applicable for PIC16LC65 family (industrial grade, not automotive-qualified).
